The method of soil conservation in which rocks are piled up to slow down the flow of water which prevents gullies and further soil loss is called?
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Charcoal can be made at home by burning
The association of animals in which both the partners are benefitted is known as
Science dealing with study of soil is called
A difference between 2 longitudes at equator is nearby equivalent to _____ km.
Chernobyl disaster is the result of pollution by_____________
___________ is the process of restoring a forest that once existed but was removed at some point of time in the past.
Pollination by wind is called?
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